Power Transistors Offer Enhanced Thermal Stability
September 25, 2007 7:48 am | Product Releases | CommentsAllegro announced a series of Darlington transistors for audio amplifiers. With a high safe operating area, (SOA) and low thermal resistance derived from a new thinner-die technology, the STD Series achieves high power performance in a common small package, the TO-3P. This series of parts is targeted at the home and professional audio amplifier markets.
LISTED UNDER: ICsFour-channel LIN Transceiver
September 25, 2007 7:42 am | Product Releases | CommentsMelexis introduced a four-channel LIN transceiver IC. It combines four LIN transceivers on one die and enables the development of simpler and more cost effective multi-LIN network master modules. Integrated 1K LIN master termination resistors and decoupling diodes further reduce system costs. This four-channel LIN transceiver is produced in 0.8µ HV-CMOS technology and is based on the single channel transceiver TH8082.
LISTED UNDER: ICsIGBTs Target High Switching Frequency Applications
September 25, 2007 7:34 am | Microsemi Corporation | Product Releases | CommentsMicrosemi announced a new series of high speed IGBT transistors for welding, low to mid-power solar inverters, uninterruptible power supplies and industrial switch mode power supply applications. Designated the Thunderbolt HS IGBT Series, the IGBTs are the company’s next generation of NPT technology targeting high switching frequency applications. These devices exhibit higher saturation voltage and significantly lower turn-off energy losses than previous generations.
LISTED UNDER: ICsPower Supervisors with Battery Backup, Chip-Enable Gating and Power-Fail Warning
September 25, 2007 7:22 am | Product Releases | CommentsMaxim Integrated Products’ MAX16033-MAX16040 low-power, microprocessor supervisory circuits with precision power-supply monitoring and battery control functions are optimized for performance in space-saving 2 mm × 2 mm microDFN packages. These supervisory circuits feature a microprocessor reset, battery backup switchover, power-fail warning, and chip-enable gating, thereby reducing the complexity and number of components for power-supply monitoring.
LISTED UNDER: ICsVoltage Supervisor Monitors 27 Unique Voltage Thresholds Without External Resistors
September 25, 2007 7:12 am | Product Releases | CommentsLinear Technology introduced the LTC2915, a single voltage supervisor with 27 unique pin-selectable thresholds. A single LTC2915 can easily be configured to meet different monitoring tasks in applications ranging from network servers monitoring 12V to low-voltage portable equipment. The 27 selectable thresholds are specified with an overall accuracy of ±1.5 percent without the need for 0.1 percent external resistors.
LISTED UNDER: ICsEfficient, 2.5 MHz Synchronous Buck Regulator for Light Load Operation
September 24, 2007 12:52 pm | Product Releases | CommentsProductive Product: Micrel launched the MIC2238, a 2.5 MHz dual 800 mA synchronous buck (step-down) regulator housed in a 3 mm × 3 mm MLF package. Its unique switching architecture scheme, Trickle Mode, enables desirable light load efficiency for Li-Ion battery powered systems that require maximum efficiency in order to prolong use. The MIC2238 is appropriate for portable applications including cellular phones, portable media players, WiMax modules, GPS systems, digital still and video cameras.
LISTED UNDER: ICsLow Noise Block Satellite Controllers
September 24, 2007 12:33 pm | 3M Electronics Solutions Division | Product Releases | CommentsIntegrating all bias, control and power management functions into a single chip, the latest low noise block (LNB) satellite controllers from Zetex Semiconductors help achieve LNB size reductions of up to 30 percent, according to the company. Three LNB controllers have been introduced: The ZXNB4100 (negative volt bias) and ZXNB4200 (zero volt bias) for single universal LNBs with FET switching topologies, and the ZXNB2200 for C-band LNB designs.
LISTED UNDER: ICsDual-Output Buck Controller for Notebook Peripheral Computing Applications
September 24, 2007 9:30 am | Product Releases | CommentsIntersil Corporation announced ISL6228 high-performance dual-output buck controller for notebook peripheral computing applications. Featuring the company’s R3 Technology this controller provides desirable transient response, switching efficiency and design flexibility. The device is capable of operating a wide input voltage range (3.3V to 25V) and has a flexible output voltage range from +0.6 V to+5.0V.
LISTED UNDER: ICs8-bit Microcontroller Family Designed for Low-Cost, Low-Power and High-Performance Operation
September 19, 2007 4:57 am | Microchip Technology Inc. | Product Releases | CommentsMicrochip Technology Inc announced the first eight members of the PIC18F high-performance 8-bit microcontroller family. To control power consumption, the 28-, 40- and 44-pin microcontrollers provide nanoWatt Technology features that include power-managed modes, an operating voltage range of 1.8V to 3.6V and efficient on-chip peripherals. Additionally, speeds of 16 MIPS (64 MHz) can be achieved at 3V operation from the internal oscillator, offering high performance while maintaining low power consumption.
LISTED UNDER: ICsPrecision Amplifier Family Enables Low Input Voltage Noise
September 18, 2007 4:59 am | Product Releases | CommentsNational Semiconductor Corporation introduced two precision operational amplifiers (op amps) that offer the industry’s lowest input voltage noise and highest accuracy for products operating at low frequencies and low supply voltage, according to the company. Target applications include industrial and scientific weight scales, pressure sensors and other low ohmic sensor systems. The LMP7731 single and LMP7732 dual precision op amps provide low input voltage noise of 2.9 nV/sqrt Hz with a
LISTED UNDER: ICsPCI Express GEN 2 Switch Family
September 17, 2007 5:12 am | Product Releases | CommentsPLX Technology, Inc. introduced ExpressLane PCIe Gen 2 switches which include the PEX 8648 (48 lanes, 12 ports), PEX 8632 (32 lanes, 12 ports), PEX 8624 (24 lanes, 6 ports), PEX 8616 (16 lanes, 4 ports) and PEX 8612 (12 lanes, 3 ports). These Gen 2 switches features includw the low latency, low power, high performance, integrated non-transparent ports and Hot-Plug controllers, the smallest Flip-Chip packaging, and highly flexible port configurations up to x16
LISTED UNDER: ICsSupervisor Family with Industry-Standard Devices
September 14, 2007 5:20 am | Product Releases | CommentsCatalyst Semiconductor, Inc. announced three devices which provide system processor power supply monitoring and reset functions. The CAT823, CAT824 and CAT825 voltage supervisors are available in a choice of seven standard threshold levels: 4.63V, 4.38V, 3.08V, 2.93V, 2.63V, 2.32V and 2.19V. In addition to an active-low reset output included on all three devices
LISTED UNDER: ICsClass D Audio Subsystem
September 13, 2007 5:13 am | Product Releases | CommentsMaxim Integrated Products introduces the MAX9796 2.3W, Class D audio subsystem. This device combines a high-efficiency, mono Class D amplifier; a DirectDrive stereo headphone amplifier; and a DirectDrive mono receiver amplifier. The device utilizes the company's active-emissions-limiting (AEL) circuitry and spread-spectrum-modulation technique, which reduce EMI and eliminate the output filters typically required by Class D amplifiers. The device provides Class AB performance with Class D efficiency.
LISTED UNDER: ICsVibration Motor Driver IC
September 12, 2007 7:33 am | Product Releases | CommentsMelexis announced the MLX90283 is single phase brushless vibration motor driver IC which allows increased battery life and delivers strong and clearly detected vibrations. The device integrates hall-effect sensor, digital and power driver circuitry into a low profile Ultra-thin QFN package and introduces the new proprietary ‘Active Start’ design to improve single phase vibration motor start-up reliability. The 1.8V to 3.6V operating voltage range perfectly suits battery-powered applications.
LISTED UNDER: ICsDC/DC PWM Buck Converters
September 5, 2007 11:59 am | Product Releases | CommentsProductive Product: The AP1533 from Diodes, Inc. is a 300 Hz, 1.8A asynchronous PWM buck converter with soft-start function, low ripple noise output, low current consumption, high efficiency, and desirable transient characteristics. The buck converter has a wide input voltage range of 4V to 23V, an adjustable output voltage from 0.8V to 23V, and is suited for applications such as LCD monitors, TVs, DVD/PVR players, set-top boxes, xDSL modems, and networking and telecommunications equipment.
LISTED UNDER: ICs
